<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Application
 * @subpackage Resource
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

/**
 * @category   Zend
 * @package    Zend_Application
 * @subpackage Resource
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Application_Resource_UserAgent extends Zend_Application_Resource_ResourceAbstract {
	/**
	 * @var Zend_Http_UserAgent
	 */
	protected $_userAgent;
	
	/**
	 * Intialize resource
	 *
	 * @return Zend_Http_UserAgent
	 */
	public function init() {
		$userAgent = $this->getUserAgent ();
		
		// Optionally seed the UserAgent view helper
		$bootstrap = $this->getBootstrap ();
		if ($bootstrap->hasResource ( 'view' ) || $bootstrap->hasPluginResource ( 'view' )) {
			$bootstrap->bootstrap ( 'view' );
			$view = $bootstrap->getResource ( 'view' );
			if (null !== $view) {
				$view->userAgent ( $userAgent );
			}
		}
		
		return $userAgent;
	}
	
	/**
	 * Get UserAgent instance
	 *
	 * @return Zend_Http_UserAgent
	 */
	public function getUserAgent() {
		if (null === $this->_userAgent) {
			$options = $this->getOptions ();
			$this->_userAgent = new Zend_Http_UserAgent ( $options );
		}
		
		return $this->_userAgent;
	}
}
